I have a customer htat was using Chrome Developer tools with there TC70 KK devices and they are able to inspect and debug their Cordova applications but when they upgade the TC70 to Lollipop this fucntion now iwll not work. The device is connected in the Chrome Developer Tool but they can't access or inspect the Cordova apps. Any idea why this is not working? Is there a setting on the Lollipop devices that need to be changed or enabled to work whith this tried and true trouble shooting method that works fine with KK loaded on the TC70?

It should work, nothing changed between KK and LP in this regard. I think most likely either the LP device does not have USB debugging enabled or the application is not a debug build (or is somehow signed). The best way to test both those scenarios would be to run >cordova run android. It should run on the connected device and be debuggable in Chrome (chrome://inspect)